Explore maritime communication with DCO: guides, tools, and community for enthusiasts using radio at sea, on ships, and in harbors worldwide.

Stay updated on radio weather and propagation conditions. Forecasts, aurora predictions, 50-MHz activity, and tutorials for CB and HAM operators.

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Get the latest radio propagation forecasts for CB, HAM, and shortwave bands. Stay informed on conditions affecting your communication worldwide. Radio Propagation Forecast for the 11m Band – 27 MHz 🌌 CB DX & 11-Meter Band Propagation Weather This page is dedicated to the current propagation conditions and radio weather for the 11-meter band (26–28 MHz), especially for CB DX and related activities. Here you will find important information and tools to monitor 11m band radio weather in real time. 📈 The 11-Meter Band and Its Propagation Characteristics The 11-meter band behaves similarly to HF but features unique propagation phenomena interesting for CB operators and DX hunters. Key propagation conditions: Sporadic E: Common in late spring and summer. Enables mostly short- to medium-range contacts (approx. 500–2000 km). F-layer propagation: Possible during high solar activity and sunspot cycles, supporting longer DX contacts. Tropospheric propagation (Tropo): Less common but can enhance short to medium range during weather inversions. 🌞 Radio Weather Factors for Optimal Conditions Solar cycle: High solar activity promotes propagation on 11m. Currently in Cycle 25 with rising activity. Solar Flux Index (SFI): Values above 100 indicate good propagation conditions. Geomagnetic quiet: A low K-index (<3) is ideal since strong geomagnetic disturbances can impair propagation. Time of day: Daytime usually offers better conditions, especially for Sporadic E. 🔄 Live Tools for Monitoring Radio Weather Use the following resources to track propagation conditions in real time: Solar data: Current SFI, K-index, sunspots, and X-ray flux MUF charts: Maximum usable frequency maps for propagation DX clusters: Real-time reports from CB and 11m operators WebSDR receivers: Listen live on 11-meter frequencies worldwide ⚠️ Note This page provides information on radio weather and propagation only. Legal or operational guidelines are not covered here. Please check local regulations separately. 📶 Good luck DXing and clear skies!

Discover antenna types, setups, and recommendations for 11m and HAM radios. Optimize your DX communication with DCO antenna guides.

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Explore SWL (Shortwave Listening) with DCO: guides, tips, and resources for monitoring international broadcasts and radio signals.

Meta Description: Explore HAM Radio with DCO International: amateur radio, CW, SWL, IOTA, SOTA and more. Discover global events, DX communication, and resources for radio operators worldwide. QSL CARDS from HAM Radio Operators

Access detailed reference maps for grid locators and DX communication. Improve accuracy and planning for HAM and 11m operations.

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